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Microelectrodes enable dynamic biointerfaces for closed-loop organs-on-chips

delete2026-06-23
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OA
AI
H
Haoyue Luo
L
Liangbin Zhou
F
Fei Jin
S
Sumin Bian
C
Cheng Jiang
Y
Yong Chen
C
Chenzhong Li
R
Rocky S. Tuan *
Z
Zhong Li *
DOI:10.1016/j.xcrp.2026.103407delete
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摘要

摘要

En 中文
芯片器官(OoCs)作为一种革命性工具箱应运而生,能够复制体内微环境并模拟人体组织和器官的关键功能。这些系统为疾病建模、药物筛选和个性化医学提供了有前景的替代方案。然而,传统OoCs的一个关键局限性在于其无法捕捉和响应生物电信号,阻碍了动态(病理)生理过程的阐明。此外,大多数集成了微电极传感器的OoCs以开环配置运行,缺乏通过实时监测和生物反馈来调控这些过程的驱动机制。在此,我们探讨了集成微电极传感器在OoCs中的多样化应用,并识别了技术挑战和新兴机遇。我们讨论了电极材料和传感器设计的最新进展,这些进展使OoC系统能够实现闭环框架,从而实现实时传感/监测、刺激和治疗干预。这些闭环系统有望在自适应药物递送、响应性组织工程和精准医学方面解锁新的可能性。最终,我们强调,与单纯关注电极性能相比,整体、系统级的设计方法对于推进下一代集成微电极的闭环OoCs至关重要。
Keyword:
microelectrode
sensor
organs-on-chips
stimulation
microelectrode-based drug delivery
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